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0cac68d3be
This reverts commit a747ab5b20
.
85 lines
No EOL
2.4 KiB
Ruby
85 lines
No EOL
2.4 KiB
Ruby
module AbstractController
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class Base
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attr_internal :response_body
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attr_internal :response_obj
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attr_internal :action_name
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class << self
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attr_reader :abstract
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def abstract!
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@abstract = true
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end
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alias_method :abstract?, :abstract
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def internal_methods
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controller = self
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controller = controller.superclass until controller.abstract?
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controller.public_instance_methods(true)
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end
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def process(action)
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new.process(action.to_s)
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end
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def hidden_actions
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[]
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end
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def action_methods
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@action_methods ||=
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# All public instance methods of this class, including ancestors
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public_instance_methods(true).map { |m| m.to_s }.to_set -
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# Except for public instance methods of Base and its ancestors
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internal_methods.map { |m| m.to_s } +
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# Be sure to include shadowed public instance methods of this class
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public_instance_methods(false).map { |m| m.to_s } -
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# And always exclude explicitly hidden actions
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hidden_actions
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end
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end
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abstract!
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def initialize
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self.response_obj = {}
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end
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def process(action_name)
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unless respond_to_action?(action_name)
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raise ActionNotFound, "The action '#{action_name}' could not be found"
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end
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@_action_name = action_name
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process_action
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self
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end
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private
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def action_methods
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self.class.action_methods
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end
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# It is possible for respond_to?(action_name) to be false and
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# respond_to?(:action_missing) to be false if respond_to_action?
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# is overridden in a subclass. For instance, ActionController::Base
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# overrides it to include the case where a template matching the
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# action_name is found.
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def process_action
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if respond_to?(action_name) then send(action_name)
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elsif respond_to?(:action_missing, true) then action_missing(action_name)
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end
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end
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# Override this to change the conditions that will raise an
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# ActionNotFound error. If you accept a difference case,
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# you must handle it by also overriding process_action and
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# handling the case.
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def respond_to_action?(action_name)
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action_methods.include?(action_name) || respond_to?(:action_missing, true)
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end
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end
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end |